Mixing faucet



FIG. 1 shows a front view of a mixing faucet;

FIG. 2 shows a back view of a mixing faucet;

FIG. 3 shows a top plan view of a mixing faucet;

FIG. 4 shows a bottom view of a mixing faucet;

FIG. 5 shows a right side view of a mixing faucet;

FIG. 6 shows a left side view of a mixing faucet; and,

FIG. 7 shows a perspective view of a mixing faucet.

The broken lines shown are included for the purpose of illustrating portions of the mixing faucet that form no part of the claimed design. 

The ornamental design for a mixing faucet, as shown and described. 